stoped working days latter came back on then stoped for good.fan symble on dash does not light up till i rotate thumb wheel controler to only one size or speed symble-wont change.ac working fine after time you can feel cool air and hear rpm changes.mabey a control issue or protection.i dont know anything aboat these things with newer cars-ineed help. thanks al piazza
ac-heatert-blower motor not working on 2001 Mercury Grand Marquis
by trucks in Palmdale, CA on August 18, 2009
ANSWER by dandd on August 22, 2009
Need to have your Climate Control scanned and its data stream checked. this is a computer controlled system and this is the most reliable method to deal with it. Good Luck!